The function on signal amplitude density distribution is clearly defined.
明确给出了信号幅值密度分布函数的定义。
The sound signal received and processed by the original sonar system is converted by comprehensive frequency spectrum and forms a digitized dynamic frequency-amplitude distribution curve.
原有声纳系统接收处理后的声音信号经过综合频谱转换后，形成数字化的动态频率-幅度分布曲线。
A random signal of known statistical properties of amplitude, distribution, and spectral density.
振幅、漫衍及谱稀度等的已经知统计特征的随机信号。
A random signal of known statistical properties of amplitude, distribution, and spectral density.
振幅、漫衍及谱稀度等的已经知统计特征的随机信号。
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